Contour surveying is an elevation's determination of several points on land & fixing the points of horizontal positions in the map. Nowadays, contour survey is in great demand in Perth.
2. DEFINITION
OFContour surveying is an elevation's
determination of several points on land
& fixing the points of horizontal
positions in the map. Nowadays,
contour survey is in great demand in
Perth
02 CONTOUR
SURVEYING
3. PURPOSE
OFA contour map always provides proper
information & factors about the land.
Contouring is mainly used for several
engineering projects like a railway, a
road, a dam, a canal, a property and
more.
03
CONTOURING
4. METHOD
OF
The process of contouring is generally
classified into 2 different types. They
include
04
CONTOURING
DirectMethod
IndirectMethod
5. 05
DIRECTMETHOD The direct method of contouring
mainly consists of horizontal and
vertical controls of points lying on
the contour line. Levelling
instrument is mainly used for
vertical control
Vision Surveys Consulting
6. INDIRECTMETHOD
06
In the indirect method of
contouring, the levels are mainly
taken at the selected points &
their levels are decreased. The
indirect method of contouring is
classified into 3 different methods.
They include
Methodofsquare
Cross-sectionmethod
Radiallinemethod
7. APPLICATION
OF CONTOUR
SURVEYING
01
02
03
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Contouring determines the slope & size of
several landforms on a contour map.
Contour surveying gives a clear & detailed
image of land & its surrounding area.
The contour interval helps to find several
elevations of a landscape.
Contouring gives the basis for the method
of colouring.
8. LET'S WORK
TOGETHER
59 Scarborough Beach
Road, Scarborough WA
6019
08 6144 0000
info@visionsc.com.au
visionsc.com.au
VISIONSURVEYSCONSULTING
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